TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
DisclaimerA–Z indexIdentify your tubesTube variantsSubmit a tube

Tube-number record

474

0 archive entries

474 is a tube type in the TubeDatabase archive (class: Sharp-Cutoff Pentode). Recorded specifications: construction Pentode and maximum plate voltage 110 V. The archive does not yet hold a photographed example of this type.

ClassSharp-Cutoff Pentode

Construction

Primary TypePentode
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage110 V
Grid 2 Voltage110 V

Audio Performance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode110 V750——2 mA

Filters

0 tubes found

Manufacturers

Brands

    0 results